Fedora 27 FEDORA-2017-b414bd5b99 Critical Wayland Heap Overflow

Wayland is a protocol for a compositor to talk to its clients as well as a C

library implementation of that protocol. The compositor can be a standalone

display server running on Linux kernel modesetting and evdev input devices,

an X application, or a wayland client itself. The clients can be traditional

applications, X servers (rootless or fullscreen) or other display servers.

This update fixes a possible heap overflow when parsing malicious cursor files.

See https://lists.freedesktop.org/archives/wayland-devel/2017-November/035979.html for details.

[ 1 ] Bug #1522638

https://bugzilla.redhat.com/show_bug.cgi?id=1522638

su -c 'dnf upgrade wayland' at the command line.

For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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